FIELD: instrument making.
SUBSTANCE: protective disconnecting device is intended for switching device (1), having contact elements (2, 3) movable relative to each other. Using transmission gear ensuring relative motion between these contact elements (2, 3). Transmission gear has locking latch (7), in order to control contact elements (2, 3) movement relative to each other. Provided are first and second disconnecting devices (11, 12), which act on same locking latch (7) and actuate said lock latch (7) into action.
EFFECT: technical result is higher operational reliability.
25 cl, 5 dwg
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